Home / 38,148,275.16-52,646,004.12-21,853,900.44

Finding the Fourth Proportional to 38,148,275.16, 52,646,004.12 and 21,853,900.44

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Solution

The fourth proportional to 38,148,275.16, 52,646,004.12 and 21,853,900.44 is: 30,159,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148,275.16 : 52,646,004.12 = 21,853,900.44 : x
  2. Step 2: Convert to fraction form
    38,148,275.16/52,646,004.12 = 21,853,900.44/x
  3. Step 3: Cross multiply
    38,148,275.16x = 52,646,004.12 × 21,853,900.44
  4. Step 4: Simplify right side
    38,148,275.16x = 1,150,520,532,602,309.75
  5. Step 5: Solve for x
    x = 1,150,520,532,602,309.75/38,148,275.16
  6. Step 6: Final answer
    x = 30,159,175.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.